's effects on hiring may be short- lived, but experts worry fiscal cliff concerns could result in a new storm brewing for workers looking to land a job in the coming weeks. suzanne pratt, "n.b.r.," new york. >> tom: citi and the financials lead the way higher on wall street, helping the dow top 13,000 again. but a big drop in apple shares kept the nasdaq from gains. by the closing bell, the dow was up 82 points, the nasdaq down 23, the s&p added two points. >> susie: investors were also encouraged by news that american workers were very productive this past summer, and that's good news for company profits. productivity increased at its fastest pace in two years, at an annual rate of 2.9% from july through september. that number blows away the initial estimate of 1.9%. erika miller takes a closer look at how technology is helping to boost safety and productivity. >> reporter: three years ago, this long island hospital had a problem: healthcare workers weren't cleaning their hands as often as required. >> 100,000 people die each year in the united states from hospital acquired infections. that'